US20130129963A1 - Fire barrier layer and fire barrier film laminate - Google Patents

Fire barrier layer and fire barrier film laminate Download PDF

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Publication number
US20130129963A1
US20130129963A1 US13/299,387 US201113299387A US2013129963A1 US 20130129963 A1 US20130129963 A1 US 20130129963A1 US 201113299387 A US201113299387 A US 201113299387A US 2013129963 A1 US2013129963 A1 US 2013129963A1
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US
United States
Prior art keywords
fire barrier
layer
barrier layer
film layer
flame propagation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/299,387
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English (en)
Inventor
Joseph A. FERNANDO
Chad E. Garvey
Robert Rioux
Kenneth B. Miller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unifrax I LLC
Original Assignee
Unifrax Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to US13/299,387 priority Critical patent/US20130129963A1/en
Assigned to UNIFRAX I LLC reassignment UNIFRAX I LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MILLER, KENNETH B., RIOUX, ROBERT, FERNANDO, JOSEPH A., GARVEY, CHAD E.
Priority to BR112014011874A priority patent/BR112014011874A2/pt
Priority to CA2854356A priority patent/CA2854356C/fr
Priority to CN201810347969.4A priority patent/CN108527955A/zh
Priority to CN201280056548.7A priority patent/CN104105596A/zh
Priority to EP12848820.2A priority patent/EP2780162B1/fr
Priority to PCT/US2012/065591 priority patent/WO2013074968A1/fr
Priority to AU2012340269A priority patent/AU2012340269B2/en
Publication of US20130129963A1 publication Critical patent/US20130129963A1/en
Priority to AU2016202078A priority patent/AU2016202078B2/en
Priority to US15/199,073 priority patent/US20160311207A1/en
Priority to AU2017200548A priority patent/AU2017200548A1/en
Assigned to GOLDMAN SACHS LENDING PARTNERS LLC reassignment GOLDMAN SACHS LENDING PARTNERS LLC SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: UNIFRAX I LLC
Assigned to GOLDMAN SACHS LENDING PARTNERS LLC, AS COLLATERAL AGENT reassignment GOLDMAN SACHS LENDING PARTNERS LLC, AS COLLATERAL AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: UNIFRAX I LLC
Assigned to UNIFRAX I LLC reassignment UNIFRAX I LLC RELEASE OF FIRST LIEN SECURITY INTEREST RECORDED AT REEL 042166, FRAME 0201 Assignors: GOLDMAN SACHS LENDING PARTNERS LLC
Assigned to UNIFRAX I LLC reassignment UNIFRAX I LLC RELEASE OF SECOND LIEN SECURITY INTEREST RECORDED AT REEL 044393, FRAME 0273 Assignors: GOLDMAN SACHS LENDING PARTNERS LLC
Abandoned legal-status Critical Current

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Definitions

  • a fire barrier laminate is provided for use in thermal and acoustical insulation systems, such as, but not limited to, those used in commercial aircraft.
  • the Federal Aviation Administration has promulgated regulations, contained in 14 C.F.R. ⁇ 25.856(a) and (b), requiring thermal and acoustical insulation blanket systems in commercial aircraft to provide improved burn through protection and flame propagation resistance.
  • These conventional thermal and acoustical insulation systems typically include thermal and acoustical insulation blankets encapsulated within a film covering or bag.
  • the burn through regulations primarily affect the contents of the insulation systems' bags and the flame propagation resistance regulations primarily affect the film coverings used to fabricate the bags.
  • Conventional film coverings typically are used as a layer or covering, for example, laid over or laid behind layers of thermal and acoustical insulation material, or as a covering or bag for partially or totally encapsulating one or more layers of thermal and acoustical insulation material.
  • FIG. 1A is a schematic cross-sectional view of a thermal and acoustical aircraft insulation blanket protected by an embodiment of the subject fire barrier laminate.
  • FIG. 1B is an exploded cross-sectional view of the subject fire barrier laminate circled portion B′ of the embodiment of FIG. 1A .
  • FIG. 1C is an exploded cross-sectional view of another illustrative embodiment of the subject fire barrier laminate circled portion B′ of the embodiment of FIG. 1A .
  • FIG. 1D is an exploded cross-sectional view of a further illustrative embodiment of the subject fire barrier laminate circled portion B′ of the embodiment of FIG. 1A .
  • FIG. 1E is an exploded cross-sectional view of a further illustrative embodiment of the subject fire barrier laminate circled portion B′ of the embodiment of FIG. 1A .
  • a fire barrier layer is provided which is incorporated into a fire barrier laminate for use in thermal and acoustical insulation systems, such as, but not limited to, those used in commercial aircraft.
  • the fire barrier laminate may be used as a covering that is located between insulation material in fuselage wall cavities and the outer skin of an aircraft fuselage (as an outboard cover of an insulation system) and/or between insulation material in fuselage wall cavities and the interior aircraft trim panels (as an inboard cover of an insulation system).
  • the incorporation of the subject fire barrier layer in a fire barrier laminate, used for protecting thermal and acoustical insulation structures, solves problems previously associated with the use of lightweight ceramic or inorganic papers, which tend to be fragile to handling or in use where harsh mechanical environments are encountered.
  • the subject fire barrier film laminate comprises at least one fire barrier layer coated onto at least one film layer, optionally a water-repellant material incorporated into and/or applied to the fire barrier layer, at least one scrim layer, at least one second film layer, and optionally at least one adhesive layer, the fire barrier layer comprising inorganic fibers, at least one inorganic platelet material, optionally at least one organic binder and/or inorganic binder, and optionally at least one functional filler.
  • the fire barrier laminate comprises: at least one fire barrier layer directly or indirectly coated onto at least one first polymeric flame propagation resistant film layer; at least one second film layer proximate to the fire barrier layer opposite the first polymeric flame propagation resistant film layer; at least one scrim layer disposed: (i) between the fire barrier layer and the first polymeric flame propagation resistant film layer; and/or (ii) between the fire barrier layer and the second film layer; and/or (iii) proximate to the first polymeric flame propagation resistant film layer opposite the fire barrier layer; and/or (iv) proximate to the second film layer opposite the fire barrier layer; optionally, a water-repellant material incorporated into and/or applied to the fire barrier layer; optionally at least one adhesive layer adhering the fire barrier layer to the first polymeric flame propagation resistant film layer; and optionally at least one adhesive layer adhering the scrim layer to at least one of the fire barrier layer, the first polymeric flame propagation resistant film layer, or the second film layer; wherein the
  • the fire barrier layer may be coated onto an intermediate layer, such as a scrim, wherein the intermediate layer is engaged with the first polymeric flame propagation resistant film layer.
  • the intermediate layer may be engaged with the first polymeric flame propagation resistant film layer before or after being coated with the fire barrier layer.
  • This composition provides a light basis weight article with surprising resistance to damage associated with handling and use along with the ability to resist flame propagation and flame penetration as defined in 14 C.F.R. ⁇ 25.856(a) and (b).
  • the term “basis weight” is defined as the weight per unit area, typically defined in grams per square meter (gsm).
  • the subject fire barrier layer, and the laminate incorporating it, are therefore useful in providing fire burn-through protection for thermal and acoustical insulation structures, referred to in the industry as “blankets”, for commercial aircraft fuselages, as the subject fire barrier laminate may have a basis weight of between about 80 gsm to about 120 gsm, and in certain embodiments between about 90 gsm to about 110 gsm.
  • the inorganic fibers of the fire barrier layer may comprise at least one of inorganic biosoluble fibers, refractory ceramic fibers, non-respirable glass fibers.
  • the inorganic fibers may be included in the fire barrier layer in an amount from about 2 to about 50 weight percent, in certain embodiments from about 2 to about 40 weight percent, in further embodiments from about 2 to about 30 weight percent, in still further embodiments from about 2 to about 20 weight percent, and in other embodiments from about 2 to about 10 weight percent, based on the total weight of the fire barrier layer.
  • an illustrative example of the inorganic bio-soluble fiber includes, but is not limited to, ISOFRAX® alkaline earth silicate (AES) fibers, having an average diameter of between about 0.6 microns and about 2.6 microns.
  • AES alkaline earth silicate
  • refractory ceramic micro fibers include, but is not limited to, FIBERFRAX® refractory aluminosilicate ceramic fibers (RCF), available from Unifrax I LLC, Niagara Fall, N.Y.
  • RCF FIBERFRAX® refractory aluminosilicate ceramic fibers
  • borosilicate and high silica content fibers capable of resisting 1100° C. temperatures without loss of structural integrity may also be used.
  • bio-soluble inorganic fibers refers to fibers that are decomposable is a physiological medium or in a simulated physiological medium such as simulated lung fluid.
  • the solubility of the fibers may be evaluated by measuring the solubility of the fibers in a simulated physiological medium over time.
  • a method for measuring the biosolubility (i.e.—the non-durability) of the fibers in physiological media is disclosed U.S. Pat. No. 5,874,375 assigned to Unifrax I LLC, although other methods are also suitable for evaluating the biosolubility of inorganic fibers.
  • the bio-soluble alkaline earth silicate fibers may comprise the fiberization product of a mixture of oxides of magnesium and silica, commonly referred to as magnesium-silicate fibers.
  • the magnesium-silicate fibers generally comprise the fiberization product of about 60 to about 90 weight percent silica, from greater than 0 to about 35 weight percent magnesia and 5 weight percent or less impurities.
  • the alkaline earth silicate fibers comprise the fiberization product of about 65 to about 86 weight percent silica, about 14 to about 35 weight percent magnesia, 0 to about 7 weight percent zirconia and 5 weight percent or less impurities.
  • the alkaline earth silicate fibers comprise the fiberization product of about 70 to about 86 weight percent silica, about 14 to about 30 weight percent magnesia, and 5 weight percent or less impurities.
  • a suitable magnesium-silicate fiber is commercially available from Unifrax I LLC (Niagara Falls, N.Y.) under the registered trademark ISOFRAX.
  • Commercially available ISOFRAX® fibers generally comprise the fiberization product of about 70 to about 80 weight percent silica, about 18 to about 27 weight percent magnesia and 4 weight percent or less impurities.
  • the bio-soluble alkaline earth silicate fibers may comprise the fiberization product of a mixture of oxides of calcium, magnesium and silica. These fibers are commonly referred to as calcia-magnesia-silicate fibers.
  • the calcia-magnesia-silicate fibers generally comprise the fiberization product of about 45 to about 90 weight percent silica, from greater than 0 to about 45 weight percent calcia, from greater than 0 to about 35 weight percent magnesia, and 10 weight percent or less impurities.
  • Suitable calcia-magnesia-silicate fibers are commercially available from Unifrax I LLC (Niagara Falls, N.Y.) under the registered trademark INSULFRAX.
  • INSULFRAX® fibers generally comprise the fiberization product of about 61 to about 67 weight percent silica, from about 27 to about 33 weight percent calcia, and from about 2 to about 7 weight percent magnesia.
  • Other commercially available calcia-magnesia-silicate fibers comprise about 60 to about 70 weight percent silica, from about 25 to about 35 weight percent calcia, from about 4 to about 7 weight percent magnesia, and trace amounts of alumina; or, about 60 to about 70 weight percent silica, from about 16 to about 22 weight percent calcia, from about 12 to about 19 weight percent magnesia, and trace amounts of alumina.
  • Refractory ceramic fiber typically comprises alumina and silica.
  • a suitable alumino-silicate ceramic fiber is commercially available from Unifrax I LLC (Niagara Falls, N.Y.) under the registered trademark FIBERFRAX.
  • the FIBERFRAX® ceramic fibers comprise the fiberization product of a melt comprising from about 45 to about 75 weight percent alumina and from about 25 to about 55 weight percent silica.
  • the FIBERFRAX® fibers exhibit operating temperatures of up to about 1540° C. and a melting point up to about 1870° C.
  • the alumino-silicate fiber may comprise from about 40 weight percent to about 60 weight percent Al 2 O 3 and from about 60 weight percent to about 40 weight percent SiO 2 , and in some embodiments, from about 47 to about 53 weight percent alumina and from about 47 to about 53 weight percent silica.
  • the RCF fibers are a fiberization product that may be blown or spun from a melt of the component materials.
  • RCF may additionally comprise the fiberization product of alumina, silica and zirconia, in certain embodiments in the amounts of from about 29 to about 31 percent by weight alumina, from about 53 to about 55 percent by weight silica, and from about 15 to about 17 weight percent zirconia.
  • RCF fiber length is in certain embodiments, in the range of from about 3 mm to 6.5 mm, typically less than about 5 mm, and the average fiber diameter range is from about 0.5 ⁇ m to about 14 ⁇ m.
  • Non-respirable glass fibers may include S2 glass fibers, E-glass fibers, and the like.
  • Organic reinforcing fibers may include, but not be limited to, aromatic polyamide, such as aramid fibers or fibrids, such as KEVLAR® fibers or fibrids, NOMEX® fibers or fibrids, and polyacrylonitrile fibers or fibrids.
  • Organic binders that may be used may include, but are not limited to, acrylic, styrene-butadiene, nitrile, polyvinylchloride, silicone, polyvinylacetate, or polyvinylbutyrate latexes.
  • the inorganic binder or filler may include, but not be limited to, crushed inorganic or ceramic fiber, fumed silica, and the like.
  • the inorganic platelet material of the fire barrier layer may comprise at least one of vermiculite, mica, clay or talc. While any size inorganic platelet material may be used, inorganic platelet materials with larger relative diameters and high diameter to thickness aspect ratios may be desirable due to their increased flame propagation and/or burnthrough resistance performance, as well as other properties such as flexibility and processibility.
  • the inorganic platelet material may have a diameter of from about 20 lam to about 300 ⁇ m. In further embodiments, the inorganic platelet material may have a diameter of from about 40 ⁇ m to about 200 ⁇ m. In certain embodiments, the inorganic platelet material may have an aspect ratio of from about 50:1 to about 2000:1. In certain embodiments, the inorganic platelet material may have an aspect ratio of from about 50:1 to about 1000:1. In further embodiments, the inorganic platelet material may have an aspect ratio of from about 200:1 to about 800:1.
  • the vermiculite or mica may be exfoliated, and may further be defoliated.
  • exfoliation it is meant that the vermiculite or mica is chemically or thermally expanded.
  • defoliation it is meant that the exfoliated vermiculite or mica is processed in order to reduce the vermiculite or mica to substantially a platelet form.
  • Vermiculite may be included in the fire barrier layer in an amount from about 20 to about 98 weight percent, based on the total weight of the fire barrier layer.
  • Suitable micas may include, without limitation, muscovite, phlogopite, biotite, lepidolite, glauconite, paragonite and zinnwaldite, and may include synthetic micas such as fluorophlogopite. Mica may be included in the fire barrier layer in an amount from about 20 to about 98 weight percent, based on the total weight of the fire barrier layer.
  • Suitable platelet clay materials that may be included in the fire barrier layer include, without limitation, ball clay, bentonite, smectite, hectorite, kaolinite, montmorillonite, saponite, sepiolite, sauconite, or combinations thereof. Platelet clay materials may be included in the fire barrier layer in an amount from about 5 to about 60 weight percent, in certain embodiments from about 5 to about 50 weight percent, based on the total weight of the fire barrier layer.
  • the mica, vermiculite and/or clay platelet materials may also be combined with further platelet materials, such as talc. If present, talc may be included in the fire barrier layer in an amount from about 1 to about 50 weight percent, in certain embodiments, from about 10 to about 30 weight percent, based on the total weight of the fire barrier layer.
  • the fire barrier layer may include inorganic binders.
  • suitable inorganic binders include colloidal dispersions of alumina, silica, zirconia, and mixtures thereof.
  • the inorganic binders if present, may be used in amounts ranging from 0 to about 40 percent by weight, in some embodiments from 0 to about 20 weight percent, based upon the total weight of the fire barrier layer.
  • the fire barrier layer may further include one or more organic binders.
  • the organic binder(s) may be provided as a solid, a liquid, a solution, a dispersion, a latex, or similar form.
  • suitable organic binders include, but are not limited to, acrylic latex, (meth)acrylic latex, phenolic resins, copolymers of styrene and butadiene, vinylpyridine, acrylonitrile, copolymers of acrylonitrile and styrene, vinyl chloride, polyurethane, copolymers of vinyl acetate and ethylene, polyamides, organic silicones, organofunctional silanes, unsaturated polyesters, epoxy resins, polyvinyl esters (such as polyvinylacetate or polyvinylbutyrate latexes) and the like.
  • the organic binder if present, may be included in the fire barrier layer in an amount of from 0 to about 40 weight percent, in some embodiments from 0 to about 20 weight percent, based upon the total weight of the fire barrier layer.
  • Solvents for the binders can include water or a suitable organic solvent, such as acetone, for the binder utilized.
  • Solution strength of the binder in the solvent (if used) can be determined by conventional methods based on the binder loading desired and the workability of the binder system (viscosity, solids content, etc.).
  • the fire barrier layer may comprise from about 2% to about 50% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the fire barrier layer may comprise from about 2% to about 40% of the inorganic fibers, from about 60% to about 98% by weight of the inorganic platelet material, from 0% to about 20% by weight of the organic binder and/or inorganic binder, and from 0% to about 20% of the functional filler.
  • the fire barrier layer may comprise from about 2% to about 30% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the fire barrier layer may comprise from about 2% to about 20% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the fire barrier layer may comprise from about 2% to about 10% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the fire barrier film laminate and/or the fire barrier layer may additionally comprise a water repellant additive or coating.
  • the water repellant additive or coating may be a component of the fire barrier layer or may be a distinct coating or layer within the fire barrier film laminate, or may be saturated or impregnated into the fire barrier layer.
  • the water repellant additive may alternatively or additionally be present in the adhesives which may be utilized in the subject fire barrier laminate.
  • the water repellant additive or coating may comprise a water repellant silicone; a metal chloride salt such as calcium chloride, magnesium chloride, sodium chloride, potassium chloride, or aluminum chloride; silane; fluorinated compounds or fluorosurfactants such as polytetrafluoroethylene resin; polymeric wet strength resins such as polyamide resin or polyamide-epichlorohydrin resin; mixtures thereof, and the like.
  • a metal chloride salt such as calcium chloride, magnesium chloride, sodium chloride, potassium chloride, or aluminum chloride
  • silane silane
  • fluorinated compounds or fluorosurfactants such as polytetrafluoroethylene resin
  • polymeric wet strength resins such as polyamide resin or polyamide-epichlorohydrin resin
  • mixtures thereof, and the like may comprise a water repellant silicone; a metal chloride salt such as calcium chloride, magnesium chloride, sodium chloride, potassium chloride, or aluminum chloride; silane; fluorinated compounds or fluorosurfactants
  • the functional filler(s) may include, but not be limited to, non-platelet clays (such as attapulgite, kyanite, palygorskite, silimanite, or andalucite), fumed silica, boron nitride, cordierite and the like.
  • the functional fillers may include finely divided metal oxides, which may comprise at least one of pyrogenic silicas, arc silicas, low-alkali precipitated silicas, fumed silica, silicon dioxide aerogels, aluminum oxides, titania, calcia, magnesia, potassia, and mixtures thereof.
  • the functional filler may comprise endothermic fillers such as alumina trihydrate, magnesium carbonate, and other hydrated inorganic materials including cements, hydrated zinc borate, calcium sulfate (gypsum), magnesium ammonium phosphate, magnesium hydroxide and combinations thereof.
  • the functional filler(s) may include lithium-containing minerals.
  • the functional fillers(s) may include fluxing agents and/or fusing agents.
  • the functional filler may comprise fire retardant fillers such as antimony compounds, magnesium hydroxide, hydrated alumina compounds, borates, carbonates, bicarbonates, inorganic halides, phosphates, sulfates, organic halogens or organic phosphates.
  • fire retardant fillers such as antimony compounds, magnesium hydroxide, hydrated alumina compounds, borates, carbonates, bicarbonates, inorganic halides, phosphates, sulfates, organic halogens or organic phosphates.
  • the fire barrier layer may be directly or indirectly coated onto a film, for example, without limitation, by roll or reverse roll coating, gravure or reverse gravure coating, transfer coating, spray coating, brush coating, dip coating, tape casting, doctor blading, slot-die coating, or deposition coating.
  • the fire barrier layer is coated onto the film as a slurry of the ingredients in a solvent, such as water, and is allowed to dry prior to incorporation into the fire barrier laminate.
  • the fire barrier layer may be created as a single layer or coating, thus utilizing a single pass, or may be created by utilizing multiple passes, layers or coatings. By utilizing multiple passes, the potential for formation of defects in the fire barrier layer is reduced. If multiple passes are desired, the second and possible subsequent passes may be formed onto the first pass while the first pass is still substantially wet, i.e. prior to drying, such that the first and subsequent passes are able to form a single unitary fire barrier layer upon drying.
  • the fire barrier layer When multiple passes, layers or coatings of the fire barrier layer are utilized, it is possible to vary the amounts of the ingredients in each pass, layer or coating, such that the passes, layers or coatings may have different amounts of, for example, inorganic platelet material. In certain embodiments, at least one pass, layer or coating having a greater amount of inorganic platelet material may be present on the “hot face” of the fire barrier layer.
  • another pass, layer or coating may have a greater amount of functional filler in order to reduce the amount of defects present in the pass, layer or coating, and may have a greater ability to correct defects present in a previous pass, layer or coating.
  • the fire barrier layer may be directly or indirectly coated onto a first polymeric flame propagation resistant film, such as but not limited to polyesters, polyimides, polyetherketones, polyetheretherketones, polyvinylfluorides, polyamides, polytetrafluoroethylenes, polyaryl sulfones, polyester amides, polyester imides, polyethersulfones, polyphenylene sulfides, combinations thereof, and the like.
  • a first polymeric flame propagation resistant film such as but not limited to polyesters, polyimides, polyetherketones, polyetheretherketones, polyvinylfluorides, polyamides, polytetrafluoroethylenes, polyaryl sulfones, polyester amides, polyester imides, polyethersulfones, polyphenylene sulfides, combinations thereof, and the like.
  • a first polymeric flame propagation resistant film such as but not limited to polyesters, polyimides, polyetherketones, polyetheretherketone
  • the first polymeric flame propagation resistant film may be metalized to minimize moisture absorption, particularly on the outboard side, but optionally on the inboard side also.
  • the first polymeric flame propagation resistant film and/or the metalized first polymeric flame propagation resistant film may have an opaque, low-gloss polymer coating, optionally containing a fire retardant additive.
  • the fire retardant additives may comprise at least one of antimony compounds, hydrated alumina compounds, borates, carbonates, bicarbonates, inorganic halides, phosphates, sulfates, organic halogens or organic phosphates.
  • the fire barrier laminate may additionally include an adhesive on one of the outer surfaces to facilitate thermal or other energetic bonding of the laminate to companion backside films as currently practiced in the fabrication of thermal acoustic insulation blankets to form a covering, bag, or envelope for the insulation layers.
  • an adhesive on one of the outer surfaces to facilitate thermal or other energetic bonding of the laminate to companion backside films as currently practiced in the fabrication of thermal acoustic insulation blankets to form a covering, bag, or envelope for the insulation layers.
  • a partially or substantially totally encapsulated insulation system is formed. (Air holes may be employed to accommodate pressure variation during flight.)
  • the adhesive comprises an adhesive which is activated by the application of ultrasonic or radio frequency energy, or the like.
  • At least one scrim layer may be disposed within the adhesive or a surface adjacent to an adhesive on at least one side of, or within, the fire barrier laminate, in order to, for example, add strength to the laminate, including puncture or tear resistance.
  • a scrim may be disposed between the at least one fire barrier layer and the first polymeric flame propagation resistant film layer, such that the fire barrier layer may be coated indirectly onto the flame propagation resistant film layer by coating the fire barrier layer onto the scrim.
  • the scrim may be in the form of a mesh, and may comprise fiberglass, nylon, polyester (such as aromatic polyester), aramid (such as para-aramid), or high or ultra-high molecular weight polyethylene in various embodiments, or may be absent.
  • the fire barrier laminate may additionally include adhesives, internal to the fire barrier laminate, which are utilized to laminate or otherwise adhere the layers of the fire barrier laminate to one another. These adhesives may include thermally-activated or pressure-based adhesives.
  • the adhesives may comprise at least one of polyester based adhesives or polyvinyl fluoride based adhesives, and/or silicone adhesives.
  • the adhesives may contain fire retardant additives.
  • the fire retardant additives may comprise at least one of antimony compounds, hydrated alumina compounds, borates, carbonates, bicarbonates, inorganic halides, phosphates, sulfates, organic halogens or organic phosphates.
  • FIG. 1A an embodiment of a thermal acoustic insulation system 10 , or “blanket”, is depicted in cross-section, in which two insulating layers 14 , such as one inch thick MICROLITE AA® Premium NR fiberglass insulation (0.42 pcf) (available from Johns Manville International, Inc.), are disposed within a covering of an exteriorly facing fire barrier laminate 16 , and an interiorly facing inboard cover film 18 (optionally, a second fire barrier laminate).
  • the insulating layers 14 may also or alternatively comprise polyimide foam insulation.
  • FIG. 1B A detail section of an embodiment of the fire barrier laminate 16 , encircled as B′ in FIG. 1A is shown in an exploded cross-sectional view in FIG. 1B .
  • the fire barrier laminate 16 is constructed by first applying an adhesive 104 to a first polymeric flame propagation resistant film 106 , such as a polyetheretherketone film.
  • the fire barrier layer 102 is then coated onto the adhesive 104 -coated first polymeric film 106 .
  • the adhesive 104 may be omitted, resulting in the fire barrier layer 102 being coated directly onto the first polymeric film 106 .
  • the fire barrier layer 102 may comprise a paste or slurry type material with an amount of water or other solvent being present in the fire barrier layer 102 as it is being coated onto the first polymeric film 106 . In this instance, the fire barrier layer 102 is allowed to dry before continued processing.
  • a water-repellant material may be incorporated in, coated onto or saturated/impregnated into the fire barrier layer 102 .
  • a scrim layer 108 such as a fiberglass or nylon scrim, is laminated to a second film 110 , such as a polyetheretherketone film, using an adhesive 114 .
  • An adhesive 112 is also used to laminate the fire barrier layer 102 -coated first polymeric film 106 to the scrim layer 108 .
  • the scrim layer 108 may be adhered to the fire barrier layer 102 prior to laminating the scrim layer 108 to the second film 110 .
  • the assembled fire barrier laminate 16 includes an encapsulating adhesive layer 116 adjacent to the first polymeric film 106 in order to encapsulate the insulation layers 14 between the fire barrier laminate 16 and the inboard film 18 .
  • the fire barrier laminate 16 may utilize mechanical fasteners or tapes for encapsulating the insulating layers 14 between the fire barrier laminate 16 and the inboard film 18 .
  • FIG. 1C A detail section of another embodiment of the fire barrier laminate 16 , encircled as B′ in FIG. 1A is shown in an exploded cross-sectional view in FIG. 1C .
  • the fire barrier laminate 16 is constructed by first applying an adhesive 204 to a first polymeric flame propagation resistant film 206 , such as a ethylene chlorotrifluoroethylene film.
  • the fire barrier layer 202 is then coated onto the adhesive 204 -coated first polymeric film 206 .
  • the adhesive 204 may be omitted, resulting in the fire barrier layer 202 being coated directly onto the first polymeric film 206 .
  • the fire barrier layer 202 may comprise a paste or slurry type material with an amount of water or other solvent being present in the fire barrier layer 202 as it is being coated onto the first polymeric film 206 . In this instance, the fire barrier layer 202 is allowed to dry before continued processing.
  • a water-repellant material may be incorporated in, coated onto or saturated/impregnated into the fire barrier layer 202 .
  • a second film 210 such as a metalized polyetheretherketone film, is laminated to the fire barrier layer 202 -coated first polymeric film 206 using an adhesive 212 .
  • the fire barrier laminate 16 includes a scrim layer 208 laminated to the first polymeric film 206 opposite the fire barrier layer 202 via an adhesive layer 216 .
  • FIG. 1D A detail section of a further embodiment of the fire barrier laminate 16 , encircled as B′ in FIG. 1A is shown in an exploded cross-sectional view in FIG. 1D .
  • the fire barrier laminate 16 is constructed by first applying an adhesive 304 to a first polymeric flame propagation resistant film 306 , such as a metalized polyetheretherketone film.
  • the fire barrier layer 302 is then coated onto the adhesive 304 -coated first polymeric film 306 .
  • the adhesive 304 may be omitted, resulting in the fire barrier layer 302 being coated directly onto the first polymeric film 306 .
  • the fire barrier layer 302 may comprise a paste or slurry type material with an amount of water or other solvent being present in the fire barrier layer 302 as it is being coated onto the first polymeric film 306 . In this instance, the fire barrier layer 302 is allowed to dry before continued processing.
  • a water-repellant material may be incorporated in, coated onto or saturated/impregnated into the fire barrier layer 302 .
  • a scrim layer 308 such as a fiberglass or nylon scrim, is laminated to a second film 310 , such as a polyetheretherketone film.
  • An adhesive 312 is also used to laminate the fire barrier layer 302 -coated first polymeric film 306 to the scrim layer 308 .
  • the scrim layer 308 may be adhered to the fire barrier layer 302 prior to laminating the scrim layer 308 to the second film 310 .
  • the assembled fire barrier laminate 16 may include an encapsulating adhesive layer 316 adjacent to the first polymeric film 306 in order to encapsulate the insulation layers 14 between the fire barrier laminate 16 and the inboard film 18 .
  • a second scrim layer 308 a is optionally embedded in the adhesive layer 316 .
  • FIG. 1E A detail section of a further embodiment of the fire barrier laminate 16 , encircled as B′ in FIG. 1A is shown in an exploded cross-sectional view in FIG. 1E .
  • the fire barrier laminate 16 is constructed by first applying an adhesive 404 to a first polymeric flame propagation resistant film 406 , such as a polyetheretherketone film.
  • a second scrim layer 408 a is optionally laminated between the adhesive 404 and the first polymeric film 406 .
  • the fire barrier layer 402 is then coated onto the adhesive 404 -coated first polymeric film 406 .
  • the adhesive 404 may be omitted, resulting in the fire barrier layer 402 being coated directly onto the first polymeric film 406 .
  • the fire barrier layer 402 may comprise a paste or slurry type material with an amount of water or other solvent being present in the fire barrier layer 402 as it is being coated onto the first polymeric film 406 . In this instance, the fire barrier layer 402 is allowed to dry before continued processing.
  • a water-repellant material may be incorporated in, coated onto or saturated/impregnated into the fire barrier layer 402 .
  • a second film 410 such as a metalized polyetheretherketone film, is laminated to the fire barrier layer 402 -coated first polymeric film 406 using an adhesive 412 .
  • the fire barrier laminate 16 includes a scrim layer 408 laminated to the first polymeric film 406 opposite the fire barrier layer 402 via an adhesive layer 416 .
  • Thermal/Acoustic insulation materials (a) Thermal/acoustic insulation material installed in the fuselage must meet the flame propagation test requirements of part VI of Appendix F to this part, or other approved equivalent test requirements. (b) For airplanes with a passenger capacity of 20 or greater, thermal/acoustic insulation materials (including the means of fastening the materials to the fuselage) installed in the lower half of the airplane fuselage must meet the flame penetration resistance test requirements of part VII of Appendix F to this part, or other approved equivalent test requirements.
  • Appendix F Part VI provides, in pertinent part:
  • Thermal/acoustic insulation means a material or system of materials used to provide thermal and/or acoustic protection. Examples include fiberglass or other batting material encapsulated by a film covering and foams. “Zero point” means the point of application of the pilot burner to the test specimen. (b) Test apparatus. (4) Pilot Burner.
  • the pilot burner used to ignite the specimen must be a BernzomaticTM commercial propane venturi torch with an axially symmetric burner tip and a propane supply tube with an orifice diameter of 0.006 inches (0.15 mm). The length of the burner tube must be 27 ⁇ 8 inches (71 mm).
  • the propane flow must be adjusted via gas pressure through an in-line regulator to produce a blue inner cone length of 3 ⁇ 4 inch (19 mm).
  • a 3 ⁇ 4 inch (19 mm) guide (such as a thin strip of metal) may be soldered to the top of the burner to aid in setting the flame height.
  • the overall flame length must be approximately 5 inches long (127 mm).
  • ABG American Wire Gauge
  • Type K Chromel-Alumel
  • thermocouple Place the thermocouple so that it extends 11 inches (279 mm) out from the back of the chamber wall, 111 ⁇ 2 inches (292 mm) from the right side of the chamber wall, and is 2 inches (51 mm) below the radiant panel.
  • the use of other thermocouples is optional.
  • Test specimens (1) Specimen preparation. Prepare and test a minimum of three test specimens. If an oriented film cover material is used, prepare and test both the warp and fill directions. (2) Construction.
  • Test specimens must include all materials used in construction of the insulation (including batting, film, scrim, tape etc.). Cut a piece of core material such as foam or fiberglass, and cut a piece of film cover material (if used) large enough to cover the core material. Heat sealing is the preferred method of preparing fiberglass samples, since they can be made without compressing the fiberglass (“box sample”). Cover materials that are not heat sealable may be stapled, sewn, or taped as long as the cover material is over-cut enough to be drawn down the sides without compressing the core material. The fastening means should be as continuous as possible along the length of the seams. The specimen thickness must be of the same thickness as installed in the airplane. (3) Specimen Dimensions.
  • a longitudinal slit approximately 2 inches (51 mm) in length, must be centered 3 inches ⁇ 1 ⁇ 2 inch (76 mm ⁇ 13 mm) from the left flange of the securing frame.
  • a utility knife is acceptable for slitting the film cover.
  • the pilot burner must be at a 27° angle with the sample and be approximately 1 ⁇ 2 inch (12 mm) above the sample. A stop . . . allows the operator to position the burner correctly each time. (6) Leave the burner in position for 15 seconds and then remove to a position at least 2 inches (51 mm) above the specimen.
  • Appendix F Part VII provides, in pertinent part:
  • Burnthrough time means the time, in seconds, for the burner flame to penetrate the test specimen, and/or the time required for the heat flux to reach 2.0 Btu/ft 2 sec (2.27 W/cm 2 ) on the inboard side, at a distance of 12 inches (30.5 cm) from the front surface of the insulation blanket test frame, whichever is sooner.
  • the burnthrough time is measured at the inboard side of each of the insulation blanket specimens.
  • Insulation blanket specimen means one of two specimens positioned in either side of the test rig, at an angle of 30° with respect to vertical. Specimen set means two insulation blanket specimens. Both specimens must represent the same production insulation blanket construction and materials, proportioned to correspond to the specimen size.
  • Apparatus (3) Calibration rig and equipment.
  • Calorimeter Calorimeter.
  • the calorimeter must be a total heat flux, foil type Gardon Gage of an appropriate range such as 0-20 Btu/ft 2 -sec (0-22.7 W/cm 2 ), accurate to ⁇ 3% of the indicated reading.
  • the heat flux calibration method must be in accordance with paragraph VI(b)(7) of this appendix.
  • Thermocouples Provide seven 1 ⁇ 8-inch (3.2 mm) ceramic packed, metal sheathed, type K (Chromel-alumel), grounded junction thermocouples with a nominal 24 American Wire Gauge (AWG) size conductor for calibration. Attach the thermocouples to a steel angle bracket to form a thermocouple rake for placement in the calibration rig during burner calibration. (5) Backface calorimeters.
  • the calorimeters must be a total heat flux, foil type Gardon Gage of an appropriate range such as 0-5 Btu/ft 2 -sec (0-5.7 W/cm 2 ), accurate to ⁇ 3% of the indicated reading.
  • the heat flux calibration method must comply with paragraph VI(b)(7) of this appendix. (6) Instrumentation.
  • Test Specimens (1) Specimen preparation. Prepare a minimum of three specimen sets of the same construction and configuration for testing. (2) Insulation blanket test specimen. (i) For batt-type materials such as fiberglass, the constructed, finished blanket specimen assemblies must be 32 inches wide by 36 inches long (81.3 by 91.4 cm), exclusive of heat sealed film edges. (3) Construction.
  • the insulation blankets should be attached to the test rig center vertical former using four spring clamps . . . (according to the criteria of paragraph (c)(4) or (c)(4)(i) of this part of this appendix).
  • (2) Ensure that the vertical plane of the burner cone is at a distance of 4 ⁇ 0.125 inch (102 ⁇ 3 mm) from outer surface of the horizontal stringers of the test specimen frame, and that the burner and test frame are both situated at a 30° angle with respect to vertical.
  • (3) When ready to begin the test, direct the burner away from the test position to the warm-up position so that the flame will not impinge on the specimens prematurely. Turn on and light the burner and allow it to stabilize for 2 minutes.
  • Each of the two insulation blanket test specimens must not allow more than 2.0 Btu/ft 2 -sec (2.27 W/cm 2 ) on the cold side of the insulation specimens at a point 12 inches (30.5 cm) from the face of the test rig.
  • a subject fire barrier laminate may comprise: at least one fire barrier layer directly or indirectly coated onto at least one first polymeric flame propagation resistant film layer; at least one second film layer proximate to the fire barrier layer opposite the first polymeric flame propagation resistant film layer; at least one scrim layer disposed: (i) between the fire barrier layer and the first polymeric flame propagation resistant film layer; and/or (ii) between the fire barrier layer and the second film layer; and/or (iii) proximate to the first polymeric flame propagation resistant film layer opposite the fire barrier layer; and/or (iv) proximate to the second film layer opposite the fire barrier layer; optionally, a water-repellant material incorporated into and/or applied to the fire barrier layer; optionally at least one adhesive layer adhering the fire barrier layer to the first polymeric flame propagation resistant film layer; and optionally at least one adhesive layer adhering the scrim layer to at least one of the fire barrier layer, the first polymeric flame propagation resistant film layer, or the second film layer
  • the fire barrier laminate of the first embodiment may further include that the inorganic platelet material comprises at least one of vermiculite, mica, clay or talc.
  • the vermiculite may be exfoliated and optionally defoliated.
  • the clay may comprise at least one of ball clay, bentonite, smectite, hectorite, kaolinite, montmorillonite, saponite, sepiolite or sauconite.
  • the fire barrier laminate of either or both of the first or subsequent embodiments may further include that the organic binder comprises at least one of acrylic latex, (meth)acrylic latex, phenolic resins, copolymers of styrene and butadiene, vinylpyridine, acrylonitrile, copolymers of acrylonitrile and styrene, vinyl chloride, polyurethane, copolymers of vinyl acetate and ethylene, polyamides, silicones, unsaturated polyesters, epoxy resins or polyvinyl esters.
  • the organic binder comprises at least one of acrylic latex, (meth)acrylic latex, phenolic resins, copolymers of styrene and butadiene, vinylpyridine, acrylonitrile, copolymers of acrylonitrile and styrene, vinyl chloride, polyurethane, copolymers of vinyl acetate and ethylene, polyamides, silicones, unsaturated polyesters, epoxy resins or polyvin
  • the fire barrier laminate of any of the first or subsequent embodiments may further include that the inorganic binder comprises at least one of colloidal alumina, colloidal silica or colloidal zirconia.
  • the fire barrier laminate of any of the first or subsequent embodiments may further include that the fire barrier layer comprises from about 2% to about 50% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the fire barrier laminate of any of the first or subsequent embodiments may further include that the fire barrier layer comprises from about 2% to about 40% of the inorganic fibers, from about 60% to about 98% by weight of the inorganic platelet material, from 0% to about 20% by weight of the organic binder and/or inorganic binder, and from 0% to about 20% of the functional filler.
  • the fire barrier laminate of any of the first or subsequent embodiments may further include that the fire barrier layer comprises from about 2% to about 30% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the fire barrier laminate of any of the first or subsequent embodiments may further include that the fire barrier layer comprises from about 2% to about 20% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the fire barrier laminate of any of the first or subsequent embodiments may further include that the fire barrier layer comprises from about 2% to about 10% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the fire barrier laminate of any of the first or subsequent embodiments may further include that either or both of the first polymeric flame propagation resistant film layer or the second film layer comprises at least one of polyesters, polyimides, polyetherketones, polyetheretherketones, polyvinylfluorides, polyamides, polytetrafluoroethylenes, polyaryl sulfones, polyester amides, polyester imides, polyethersulfones, polyphenylene sulfides, or combinations thereof.
  • the fire barrier laminate of any of the first or subsequent embodiments may further include that the at least one scrim layer comprises at least one of fiberglass, nylon, polyester, aramid, or high or ultra-high molecular weight polyethylene.
  • the fire barrier laminate of any of the first or subsequent embodiments may further include that either or both of the first polymeric flame propagation resistant film layer and the second film layer are metalized. Either or both of the first polymeric flame propagation resistant film layer or the second film layer have an opaque, low-gloss polymer coating, optionally including a fire retardant additive.
  • the fire barrier laminate of any of the first or subsequent embodiments may have a basis weight of less than about 120 gsm.
  • a subject thermal acoustic insulation system may comprise a plurality of insulating layers disposed within a covering of an exteriorly facing fire barrier laminate as in any of the first or subsequent embodiments, and an interiorly facing inboard cover film.
  • the thermal acoustic insulation system of the second embodiment may further include that the interiorly facing cover film also comprises the fire barrier laminate of the first or subsequent embodiments.
  • the thermal acoustic insulation system of either or both of the second or subsequent embodiments may further include that the exteriorly facing fire barrier laminate and the interiorly facing inboard cover film are sealed with an adhesive to partially or substantially totally envelop or encapsulate the plurality of insulating layers.
  • the thermal acoustic insulation system of any of the second or subsequent embodiments may further include that the insulating layers comprise fiberglass insulation and/or polyimide foam insulation.
  • the thermal acoustic insulation system of any of the second or subsequent embodiments may be capable of passing the flame propagation and burn-through resistance test protocols of 14 C.F.R. ⁇ 25.856(a) and (b), Appendix F, Parts VI and VII.
  • a subject method of making a fire barrier laminate may comprise: directly or indirectly coating at least one fire barrier layer onto a first polymeric flame propagation resistant film layer; laminating the fire barrier layer with at least one second film layer, wherein the second film layer is proximate to the fire barrier layer; and laminating at least one scrim layer within the fire barrier laminate, wherein the at least one scrim layer is disposed: (i) between the fire barrier layer and the first polymeric flame propagation resistant film layer; and/or (ii) between the fire barrier layer and the second film layer; and/or (iii) proximate to the first polymeric flame propagation resistant film layer opposite the fire barrier layer; and/or (iv) proximate to the second film layer opposite the fire barrier layer; wherein the fire barrier layer comprises inorganic fibers, at least one inorganic platelet material, optionally at least one organic binder and/or inorganic binder, and optionally at least one functional filler; and wherein the fire barrier layer optionally contains a
  • the method of the third embodiment may further include that the inorganic platelet material comprises at least one of vermiculite, mica, clay or talc.
  • the vermiculite may be exfoliated and optionally defoliated.
  • the method of either or both of the third or subsequent embodiments may further include that the organic binder comprises at least one of acrylic latex, (meth)acrylic latex, phenolic resins, copolymers of styrene and butadiene, vinylpyridine, acrylonitrile, copolymers of acrylonitrile and styrene, vinyl chloride, polyurethane, copolymers of vinyl acetate and ethylene, polyamides, silicones, unsaturated polyesters, epoxy resins or polyvinyl esters.
  • the method of any of the third or subsequent embodiments may further include that the inorganic binder comprises at least one of colloidal alumina, colloidal silica or colloidal zirconia.
  • the method of any of the third or subsequent embodiments may further include that the fire barrier layer comprises from about 2% to about 50% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the method of any of the third or subsequent embodiments may further include that the fire barrier layer comprises from about 2% to about 40% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the method of any of the third or subsequent embodiments may further include that the fire barrier layer comprises from about 2% to about 30% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the method of any of the third or subsequent embodiments may further include that the fire barrier layer comprises from about 2% to about 20% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the method of any of the third or subsequent embodiments may further include that the fire barrier layer comprises from about 2% to about 10% by weight of the inorganic fibers, from about 20% to about 98% by weight of the inorganic platelet material, from 0% to about 40% by weight of the organic binder and/or inorganic binder, and from 0% to about 50% of the functional filler.
  • the method of any of the third or subsequent embodiments may further include that either or both of the first polymeric flame propagation resistant film layer or the second film layer comprises at least one of polyesters, polyimides, polyetherketones, polyetheretherketones, polyvinylfluorides, polyamides, polytetrafluoroethylenes, polyaryl sulfones, polyester amides, polyester imides, polyethersulfones, polyphenylene sulfides, or combinations thereof.
  • the method of any of the third or subsequent embodiments may further include that the at least one scrim layer comprises at least one of fiberglass, nylon, polyester, aramid, or high or ultra-high molecular weight polyethylene.
  • the method of any of the third or subsequent embodiments may further include that either or both of the first polymeric flame propagation resistant film layer or the second film layer are metalized. Either or both of the first polymeric flame propagation resistant film layer or the second film layer may be coated with an opaque, low-gloss polymer, optionally including a fire retardant additive.

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US13/299,387 US20130129963A1 (en) 2011-11-18 2011-11-18 Fire barrier layer and fire barrier film laminate
AU2012340269A AU2012340269B2 (en) 2011-11-18 2012-11-16 Fire barrier layer and fire barrier film laminate
EP12848820.2A EP2780162B1 (fr) 2011-11-18 2012-11-16 Couche barrière au feu et stratifié à film de barrière au feu
PCT/US2012/065591 WO2013074968A1 (fr) 2011-11-18 2012-11-16 Couche barrière au feu et stratifié à film de barrière au feu
CA2854356A CA2854356C (fr) 2011-11-18 2012-11-16 Couche barriere au feu et stratifie a film de barriere au feu
CN201810347969.4A CN108527955A (zh) 2011-11-18 2012-11-16 阻火层和阻火薄膜层压件
CN201280056548.7A CN104105596A (zh) 2011-11-18 2012-11-16 阻火层和阻火薄膜层压件
BR112014011874A BR112014011874A2 (pt) 2011-11-18 2012-11-16 camada de barreira corta-fogo e filme laminado de barreira corta-fogo
AU2016202078A AU2016202078B2 (en) 2011-11-18 2016-04-14 Fire barrier layer and fire barrier film laminate
US15/199,073 US20160311207A1 (en) 2011-11-18 2016-06-30 Fire Barrier Layer And Fire Barrier Film Laminate
AU2017200548A AU2017200548A1 (en) 2011-11-18 2017-01-27 Fire barrier layer and fire barrier film laminate

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AU2012340269B2 (en) 2016-03-03
CA2854356C (fr) 2019-09-17
AU2016202078A1 (en) 2016-06-02
WO2013074968A1 (fr) 2013-05-23
US20160311207A1 (en) 2016-10-27
AU2016202078B2 (en) 2016-12-01
AU2017200548A1 (en) 2017-02-23
EP2780162A4 (fr) 2015-06-17
AU2012340269A1 (en) 2014-05-01
BR112014011874A2 (pt) 2017-05-16
EP2780162B1 (fr) 2018-06-06
CN108527955A (zh) 2018-09-14
EP2780162A1 (fr) 2014-09-24
CN104105596A (zh) 2014-10-15

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